21993092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9431}}^1$

素因数の和:9499

約数の個数: 24

約数和(自身を含む): 42783552

約数和(自身を除く): 20790460

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9431, 18862, 37724, 103741, 207482, 414964, 499843, 999686, 1999372, 5498273, 10996546, 21993092]

約数ペア:

[(1, 21993092), (2, 10996546), (4, 5498273), (11, 1999372), (22, 999686), (44, 499843), (53, 414964), (106, 207482), (212, 103741), (583, 37724), (1166, 18862), (2332, 9431)]